Home / 1,336,698.40-2,005,047.60-1,115,264.65

Finding the Fourth Proportional to 1,336,698.40, 2,005,047.60 and 1,115,264.65

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Solution

The fourth proportional to 1,336,698.40, 2,005,047.60 and 1,115,264.65 is: 1,672,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,698.40 : 2,005,047.60 = 1,115,264.65 : x
  2. Step 2: Convert to fraction form
    1,336,698.40/2,005,047.60 = 1,115,264.65/x
  3. Step 3: Cross multiply
    1,336,698.40x = 2,005,047.60 × 1,115,264.65
  4. Step 4: Simplify right side
    1,336,698.40x = 2,236,158,709,847.34
  5. Step 5: Solve for x
    x = 2,236,158,709,847.34/1,336,698.40
  6. Step 6: Final answer
    x = 1,672,896.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.